Mechanical replayer.



R. G. BROWN n l; E.` STRIETELMEIEB.

' MECHANICAL REPLAYEn.

' y u I f A APPLICATION FILED Auc.1o.|s|s. Y f 1,234,621 Patented July 24, 1917.

2 SHEETS-SHEET 2.

amwmz ih. i

50 journaled i'n a hollow post 9 projecting f roin This invention contemplates a general mechanism adapted to enter into combination with the above-named conventional elements to function as above stated` and spe-- eificallyit embraces all or many coordinated sub-conibnations including (A) a' sound'- 'hox lifter, which at' appropriate intervals lifts and lowers the stylus; (B) a tone-arm shifter which carries'the stylus from the end to the beginning of the record:4 (C) a. mo-

thevap ropriate station in the record; (F) a.'

contro -lever which automatically effects a disconnection of `the power-connector and normulizes the relation of' theft-rip to the mechanism; (Gr) an adjuster which prede- Vtermines the number o f times the mechanism swing about. the horizontal axis 4".

turn-ing and lowering it.

operates to replay the record; and (H) a brake which `is conveniently caused to oper-. ate to conclude teheperformance.

-The sound.box lifter and tonearm shifter in this embodiment iscoi'n acted and condensed into a single sub-mec i'anism embodying a tone-arm l having rigid therewith a sound-box 2 carrying a stylus 3; the whole being to all int'entsand purposes. a single unit which has a conventional ball and socket mounting' at itsvv rear end s'o as'to provide for a. horizontal swing about the vertical central axis -t and also a lvertical This provides all means necessary for a normal playing of the stylnsiasl welias 'lift-ing, relt inay'be explained that when the tone-arm 4 is lifted to raise the sty-lust -it must not begin the Swingback imtil the stylnshas entirely y cleared the record, otherwise itlwould be vis attached the co'rd 12.

The liftinil and shifting means embodies a davit 11 iich has its lower end the-biiiie-pliite,15 and the n per end of vthis y davit is in the form of an .a )ustable arm 11 having an eye 11 at its extremity to which through a. hole in the upper end of the davit 11 ,anda screw 11 servesto lock -it in an desired adjusted position. This vhole is sn ficiently highv to loc-atev the arm 11 above the tone-arm' so thata pull on the cord 12 will lift the tonearm about its horizontall 1. axis 4'? thus' elevating the stylus. i

. This invention contemplates a means vthat will come effectively' into action only after the stylus has been raised and in this parscratches.

-inissi'on is in part stationary and in part. is

This ur'ni extendsL ticulai' embodiment great simplicity has been attained 'by intimately incorporating this ineans'witli the-stylus lifter, and this has been done by a peculiar relation between eiently off a dead center relation with the axis 4 to cause the tone-arm to swing, but when the davit 11 swings into its uplifting position, this straight linebecomes in a pronounced offset relation with the axis 4@ with the result that a pull on the cord 12 not only tends to lift the stylus but also imposes -ra suflicient turning movement on the tone-arm to urge it.' gently yet sufficiently toward its initial position.

The motion transmission is the mechanism or train 'of elements that results in the actuation of the stylus-i'eplacing` means by power derived fi'oni some motor-driven part, suc-h as the turn-table 1; and which prefeiably embodiesreduction gears so that the ultimate motion will be slow and deliberate and the stylus will be handled gently and without jerks and thus save tlie record from In thisembodiment, this transbodily shiftable for power-connecting puroses. The stationary part' comprises a shaft 1Q pivoted at its lower end in the base of the main frame or casting 15 and at its upper end to the cover-plate. 20 which is also fixed toc said fi'anie'lby in'ns of the post-s 21 and The upper end`of this shaft 19-is provided with an eccentric pin 19 which is connected with the end ofthe arm 1G by means of thelinkl? whereby-` the davit 11 may he rocked slowlyL This shaft 15) derives motion from the clutch element or wheel 29 throu li a train of. reduction gears '24. 25. 26am .Z'i', the shafts of which are' all pivoted' to the `side plates 23 of a' rocking-frame. Both gearsets 24-25 and 2(3-27 have a pronounced reduction effect with the consequence that the crankin 19' is but very slowly turned, althought e frietion wheel 29 may rotate several times dur- -v 'ineach revolution of the turn-table.

he power connector is an arrangementin the nature of a clutch and it'enables the turn-table to "operate during the normal playing lof a record without any concomitant operation of the return niec-liaiiism.`

Preferably this means s located so as to disconnect as many parts as possible from-the source of mot-ion, to avoid needless wcai or noise, and ireferabl the wheel 29 isY therefore entire v with( rawn". from thetnrn-y 'table'. This is conveniently done hy pivoting the'plates 23 of the sub-frame to the shaft l19 so that the shaft 28 of the friction wheel will iso be carried by the remote free-swinging portion of thel sub-frame.

The osition of thisub-frame is in turn determined by the following arrangement The lever control for the swingmgpowerconnector functions first to unlatch and resiliently 'swing the sub-frame to bring-the .v l`frietion\vlxeel 29v into engagement with the position by 1S will have disappeared the stylus, a swinging of the replacement of the is in aposition to rep continue into eieet rthe multiple-fulcrum lever-system t mal ly, the

- Vthepiny 3 3 as throw the pivotal all motion ceases luf sub-frame coutumes the end of the periphery of the turn-table and to maintain "this engagement until'thetone-arm has' been 1 vshifted to its initial while to eii'ect a relatching of the control--` point, and in the meanl'ever, and then through the same lever to withdraw the friction-wheel and permit the record to he layed without interference. This triple action is very easilye'tlected by compris ing a lever 31 which is permanently "pivoted a; the plate 23. of the swin 'mg subirame `and which (in the position .o the part shown by Fig. 2) can (when u nlatched) be turned about the stationary fulcrum point 18 formed by a flat edge of the cant-plate 18. That. is to say, the end of the lever 31 has en tered a right-angle notch 32 in the cam-plate 18 so` that it may rest against theedge 18 thereof which constitutes a ,stationary ul.

crum enabling the lever 31 at the point 80 to pry the plate 23 around the axis 19. Nor- ,lever is.held against this movement. by`means of a` pinl 33 which engages with a notch 34 of a latch 35 pivoted at 36 to n. framee1em'ent and spring-pressed into the pull of the spring 38 onthe end of the arm'37. The rotation of the cam 18 begins the moment the wheel-2'.) startsite actuate the davit 11 and this' rotation is anticlokwisejand immediately brings the raised portion 13's against the edge of the lever 3l so as to force-its end away from the shaft 19 and swing the lever about (the'sulr-frame remaining still) Vuntil the latch pin 33 has passed the 'notch 34 in the latch This condition remains unchanged whilethe periphery of the rarwplato 1H rides against the edge of the lever 3l and untilthe point 18e passes theI end of the lover 3l. whereupon the fulrrum provided hy the cam and ilnnualiately taken hy' the pin il?, so that the tends to turn the lever 33t around a fulcrum and this tends to ('onnef'tif'in fi() in the opposite direction and, of course, withdraws the sub-frame and the friction wheel 25) so that in the entire attachment. to withdraw until lever alluts the part 18" again, when the position of Figi is attained. This action has resulted in' an elevation of tone-arln, and a stylus. Now, the stylus ay the record and will its place is sprl ngnow -s rin 1 washer the invotf() ,43 (see Fig. 3) is carried hy shiftable brake-rod 40.

' throwing .the

to do so untila triplsystem comes to 'release the/latch 35 Vand cause the attachment to refunction i'n restoring Ithe stylus to' initial position. f l

The trip system is entirely mechanical in this embodiment and it proposes an element such as the arm l-l pivoted about the pin .l and havingr a contact surface h adai'lted to bear up against the arin extending from the latch 35 so as to swing the lateh'to release the pin 33; This arm li is frietionally clutched to a trip lever .l which extends underneath the tone-arrn side thereof so as to provide a contact surface K which will he ahuttcd hy the tonearm and cause the arm ll to operate the latch. ,A 'L is seated in a circumfcrcn tial s ot near the presses the arms J tion disk being interposed) and H together '(the fricf with just sullieasy adjustment hand and yet to cient force to permit of an of the trip arm K by the transmit without slipping to throw the latch. Iii this way the latch may be caused to operate at any .predatory mined limiting of the stroke o'f the toncarm 4, with the result that the tone-arm is uplifted land erxnitted to swing-in an anti clock-isc r inectioiu This rmovi-ment ^is in turn limited hy a stop consisting of an L- shaped rod secured i which can be clamped, in any angular adjustment to the post 9 by the tlunnh screw t).

The adjuster operates to determine the number-of times the record will automatically l replay and it comprises a spiral track and a tooth element restrained against displacement thereby. This spiral track` may bevery simply formed of a flat disk lai of metal aliixed to the shaft li) and cut radially so as to provide a displaced nose l?. With this cooperates a star wheel in turn controlling the operation of the brake.

a short shaft in a block 40 allixed to the A thumb sri-ew 455 enal'iles this shaft to he turned and a' pointer 5U cooperating with indications 5l shows the rl'leot of the adjustment. "l`he hralm-rod fl() is shii'tahly mounted at its ends in posts 2l and 22-and its forward extremity is upturned and provided with a ruhher tubing letirg as a 'friction surface Jr. and the rod' is preventedifrom turningahout itsownaxis hy a stem y/ protruding through the slot .2 in the`- plate Y secured to the posts 21 and 'lhc operation of this devi'ee will he easilv iournaled andrises onthe other.

to allat collar N lend of the post l and com- I enough pressure This star wheel understood fromthis'description since eaci revolution of the worm 45 willturn the star wheel through one notch and when t-l'nere are no more teeth to he nothing to restrain the spring 46 brake against the turnftahlo and stopping graph. It is to'be'noted that the star .wheel is merely in the form ofa segment and not a complete circle, and that as soon passed there will he from as the last L all further action of the phono the worm and move forward..

lclaim as new tooth has been passed the cut-awa portion of the star segment can simply sip under Without further analysis, the foregoing will so fully ,reveal the of this inven tion that others can by applying current knowledge readily adapt it for various applications without omit-ting certain features that, from the standpoint of the prior art, fairly constitute essential characteristics of the 4generic or specific aspects of this invention, and therefore such adaptations should and are intended to be comprehended within the meaning and range of equivalency of the following claims.

Having thus/revealed this invention, we and desire to secure the follow ing combinations of steps and elements, or equivalents thereof, by Letters Patent of the United States 1. A unitary self-contained attachment for a ronventional phonograph combining means for raising, shifting and lowering the stylus to its starting station; mechanism driven by a motor-'driven part of the phonograph for actuating said means repeatedly to automatically replay the selection; a mechanical trip actuated by the movement of the stylus; and a hand-adpistable indicator for causing 's'aid mechanism to function successively the predetermined number of times and automat-ically stop.

Q. An instrumentality aixable to render a phonograph automatically replayable and combining a frame atta-chable near the turntable and having two positioning points cooperating `therewith; means providin a. limited displacement of said frame; a. w ieel adapted to be driven by the turn-table;A means carried bysaid frame for raising and lowering the stylus of the phonograph; latch-mechanism adapted to betripped'at a predetermined station of the stylus'l to utilize said wheel in transmitting power to said f means to enable it slowly to raise and lower said stylus; and means for automatically normalizing said latih mechanism and concluding` the operative relation between Said turn-table, said Vwheel and said means.

3. A- re-playing .attachment combining a. frame having two positioning surfaces adapted to be abutted against the-turn-table and, also having` slots elongated in parallel` ism adapted to receive attachin screws, said screws affording a limited withdrawal of said frame to give the cord rela-tion with the turn-table; and stylus returning mechanim carried by said frame.

` A Vphonograph re-player combining an automatic-re'turnin` mechanism; a worm rotated thereby; a irake element'jnormally urged intoI its' arrestingposition; a rotatable segment having teeth engaging said vworm and constructed to be released therebyv to permit the operation of said brake.

5. In a yphonograph r'e-pla er; a first shaft; a disk thereon having o set edges; a

'second shaft extending transversely thereto;

a toothed segment thereon engaging the edge of said disk; and a brake positioned by said brake segment.

6. I n a phonograph re-player; an upstanding post; an arm horizontally adjustable therein and extending over the tonearm of the phonograph; a cord connecting` the forward end of said tonearm with said arm; and automatic means for swinging'said arm about said vertical post to raise and shift the tone-ann.

7. A phono apli brake-device ing a turn-tab e andA a st lus a mechanism for repeatedly lifting sai. stylus; a mechanical trip for actuatmgsai l mechanism; a spring-pressed brake; and an adjustment for causing said brake to function after. said stylus has been 'xaplifted for the predetermined number of times.

8. A phonograph brake-apparatus combming a frame adapted to be mounted ad- )scent a conventional turn-table; a brakeelement movably mounted on .said frame to engage and arrest the turn-table; meansl also on said' frame adapted to coperate in combinlifting a. conventional stylus; mechanism adapted to derive motion from the periphery of said turn-table for operating said means and said brake-e ements; anda mechanieal Itrip for actuating said mechanism.

9. A phonograph brake-apparatus combining a frame adapted to be mounted ad- ]acent a .conventional turn-table; al brake-` element movably mounted on saidframe to means for automatically interrupting the propelling relation between said turn-table and said mechanism.

10. Av phonograph brake-apparatuscombining a Vframe adapted to be mounted adjacent a conventional turn-table;-a brake-A element movably mounted on said jrame. to

engage and arrest the turn-table; means also on said frame adapted to coperate in lifting a conventional stylus; clock-work mechanism adapted to derive motion from said turn-table-for operating said means yengage and arrest theturntablev; means f and'said brake-element, said mechanism bcing so related to the stylus lifting Vmeans as to operate it before releasing the brakeelei ment; and l. mechanical trip for actuating said mechanism.

11. A phonograph brake-apparatus combining a'turn-table; 'a brake for arresting it; a clockwork mechanism'for automatically causing's'aid brake to function after a `predetermined number of table rotations; i1 mechanical trip for actuating said mechanism; and an ad]ustrnent rendering "said mechanism operative ony suid'fbrake onlyA after .the expiration of a multiple of said Vpredetermined number of table rotations. l

12. A phonograph brake-a paratus eombining a stylus und turntab e; mechanism embodying a syetemy of gearing for transmitting'ypower for repeatedly lifting said same after a prede stylus; a mechanical trip for actuatingaid `meclm-nism; i means for connecting said mechanism to derive .motion from the source" of power operating the turn-table and adapted automatially to `disconnect the rmined number'of stylus uplifts; and a spring-pressed brake for auytomatically stopping said turn-table after `a predetermined time. u s 13. phonograph brake-a paratus combining a turn-table;y a cloc -work device adapted to be operated by motion derived from the source of power actuating the turn-table; latch-mechanism `for automatiing witnesses.

cally establishing a propelling'ielation be- `25 tween said power and said mechanism; andA a ,spring-pressed brake caused to `stop turn-table after said mechanism has been 1n operation for a considerable length of time:

414.4 A phonograph brake-apparatus com- 3o i bining a turn-table; a swinging tone-arm;I

a stylus `supported, thereby a clock-work mechanism `:for repeatedly liftingvsaid stylus and returning said tone-arm; a mechanical trip for actuatingl said mechanism; 8:35.

brake adapted to be functioned by said mechanism;` and an adjustment foncausng [it to operate said brake after any predeter-v mined number of. re cated performances.

In witness whereo `we hereunto subscribe 40 ournames, as attested by the .two subscrib-- ROBERT G.. BROWN. l e JOHN E. `,S"1`RIETE-LME`IER Witnesses," Y

Frommer: E. Moena Eva K, Am. 

